Finding the Fourth Proportional to 1,293,748.18, 1,784,161.53 and 1,022,464.18
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Solution
The fourth proportional to 1,293,748.18, 1,784,161.53 and 1,022,464.18 is: 1,410,043.53
Step by Step Solution
- Step 1: Write the proportion equation
1,293,748.18 : 1,784,161.53 = 1,022,464.18 : x - Step 2: Convert to fraction form
1,293,748.18/1,784,161.53 = 1,022,464.18/x - Step 3: Cross multiply
1,293,748.18x = 1,784,161.53 × 1,022,464.18 - Step 4: Simplify right side
1,293,748.18x = 1,824,241,246,838.19 - Step 5: Solve for x
x = 1,824,241,246,838.19/1,293,748.18 - Step 6: Final answer
x = 1,410,043.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.